Amd Dual graphic not work

But Apu amd radeon r7 is set to main graphic and gpu amd radeon r8 M365DX is set to connected.

In device manager is r8 se to r7 m360 and when i try update it i get bluescreen or drivers stop working.

I have 2500 mb graphic memory but because this error i can have only 500 mb,and no way to fix it set application on hight reformation on old drivers dont work and in new crimson my gpu too dont work only apu and on it is fps in games terribly low.and tun on amd crossfire too dont work this only make more lags.I reinstal drivers,reinstal windows.

When you have instaled 4GB RAM then you have 256MB VRAM on APU graphics card (not on linked graphics card R7 M360) and when have 8GB system ram then you have 512MB VRAM on APU graphics card (borrowed from 8GB of system RAM)